<template>
  <div>
    <!--面包屑导航-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片-->
    <el-card class="box-card">
      <!--顶部搜索-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input clearable @clear="getUserList" v-model="queryInfo.query" placeholder="请输入搜索内容">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="6">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!--table表格-->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="200px">
          <template slot-scope="scope">
            <!--编辑-->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="editUser(scope.row)"></el-button>
            <!--删除-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="del(scope.row.id)"></el-button>
            <!--分配角色-->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="editRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--分页-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
    <!--    -->
    <!--    -->
    <!--    -->
    <!--添加用户的对话框-->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!--添加表单-->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model.number="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!--    -->
    <!--    -->
    <!--    -->
    <!--编辑用户的对话框-->
    <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px" class="demo-ruleForm">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserSubmit">确 定</el-button>
      </span>
    </el-dialog>
    <!--    -->
    <!--    -->
    <!--    -->
    <!--分配角色-->
    <el-dialog title="分配角色" :visible.sync="dialogRole" width="50%">
      <div>
        <p>当前的用户：{{roleInfo.username}}</p>
        <p>当前的角色：{{roleInfo.role_name}}</p>
        <p>分配的新角色：
          <el-select v-model="selectValueId" placeholder="请选择">
            <el-option
              v-for="item in roleValue"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogRole = false">取 消</el-button>
        <el-button type="primary" @click="changeRole">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    data () {
      // 自定义验证邮箱规则
      var checkEmail = (rule, value, callback) => {
        const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
        if (regEmail.test(value)) {
          callback()
        }
        callback(new Error('请输入正确的邮箱'))
      }
      // 自定义验证手机号规则
      var checkMobile = (rule, value, callback) => {
        const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[5-7])[0-9]{8}$/
        if (regMobile.test(value)) {
          callback()
        }
        callback(new Error('请输入正确的手机号码'))
      }
      return {
        userList: [],
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 2
        },
        total: 0,
        addDialogVisible: false,
        editDialogVisible: false,
        addForm: {
          username: '',
          password: '',
          email: '',
          mobile: ''
        },
        addFormRules: {
          username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ],
          email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            { validator: checkEmail, trigger: 'blur' }
          ],
          mobile: [
            { required: true, message: '请输入手机号码', trigger: 'blur' },
            { validator: checkMobile, trigger: 'blur' }
          ]
        },
        editForm: {
          username: '',
          id: '',
          email: '',
          mobile: ''
        },
        editFormRules: {
          email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            { validator: checkEmail, trigger: 'blur' }
          ],
          mobile: [
            { required: true, message: '请输入手机号码', trigger: 'blur' },
            { validator: checkMobile, trigger: 'blur' }
          ]
        },
        dialogRole: false,
        roleInfo: {},
        roleValue: [],
        selectValueId: ''
      }
    },
    created () {
      this.getUserList()
    },
    methods: {
      // 获取用户列表
      getUserList: async function () {
        if (this.queryInfo.query.length > 0) {
          this.queryInfo.pagenum = 1
        }
        const { data: res } = await this.$http.get('/users', {
          params: this.queryInfo
        })
        if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
        this.userList = res.data.users
        this.total = res.data.total
      },
      // 每页数据量
      handleSizeChange: function(newSize) {
        this.queryInfo.pagesize = newSize
        this.getUserList()
      },
      // 第几页
      handleCurrentChange: function(newNum) {
        this.queryInfo.pagenum = newNum
        this.getUserList()
      },
      // 改变用户状态
      userStateChanged: async function (row) {
        const { data: res } = await this.$http.put(`users/${row.id}/state/${row.mg_state}`)
        if (res.meta.status !== 200) {
          row.mg_state = !row.mg_state
          return this.$message.error('修改用户状态失败！')
        }
        this.$message.success('修改用户状态成功！')
      },
      // 关闭添加对话框，重置form表单
      addDialogClosed: function () {
        this.$refs.addFormRef.resetFields()
      },
      // 添加用户
      addUser: function () {
        this.$refs.addFormRef.validate(async valid => {
          if (!valid) return
          const { data: res } = await this.$http.post('/users', this.addForm)
          if (res.meta.status !== 201) return this.$message.error('添加用户失败！')
          this.$message.success('添加用户成功！')
          this.addDialogVisible = false
          this.getUserList()
        })
      },
      // 点击编辑用户
      editUser: async function (row) {
        this.editDialogVisible = true
        this.editForm = {
          username: row.username,
          id: row.id,
          email: row.email,
          mobile: row.mobile
        }
      },
      // 点击提交用户
      editUserSubmit: function () {
        this.$refs.editFormRef.validate(async valid => {
          if (!valid) return
          const { data: res } = await this.$http.put(`users/${this.editForm.id}`, this.editForm)
          if (res.meta.status !== 200) return this.$message.error('用户信息更新失败！')
          this.$message.success('用户信息更新成功！')
          this.editDialogVisible = false
          this.getUserList()
        })
      },
      // 删除点击用户
      del: function (id) {
        this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async () => {
          const { data: res } = await this.$http.delete('/users/' + id)
          if (res.meta.status !== 200) return this.$message.error('删除用户失败')
          this.$message({
            type: 'success',
            message: '删除用户成功!'
          })
          this.getUserList()
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
      },
      // 分配角色
      editRole: async function (row) {
        this.roleInfo = row
        this.dialogRole = true
        const { data: res } = await this.$http.get('roles')
        if (res.meta.status !== 200) return this.$message.error('获取角色列表失败！')
        const roleValue = []
        res.data.forEach(item => {
          roleValue.push({
            value: item.id,
            label: item.roleName
          })
        })
        this.roleValue = roleValue
      },
      changeRole: async function () {
        const { data: res } = await this.$http.put(`/users/${this.roleInfo.id}/role`, {
          rid: this.selectValueId
        })
        if (res.meta.status !== 200) return this.$message.error('设置角色失败！')
        this.$message.success('设置角色成功！')
        this.dialogRole = false
        this.selectValueId = ''
        this.getUserList()
      }
    }
  }
</script>

<style lang="less" scoped>
</style>
